package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.dto.SetmealDto;
import com.itheima.reggie.pojo.Category;
import com.itheima.reggie.pojo.Dish;
import com.itheima.reggie.pojo.Setmeal;
import com.itheima.reggie.service.CategoryService;
import com.itheima.reggie.service.DishService;
import com.itheima.reggie.service.SetmealDishService;
import com.itheima.reggie.service.SetmealService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cache.annotation.CacheEvict;
import org.springframework.cache.annotation.Cacheable;
import org.springframework.web.bind.annotation.*;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

/**
 * 套餐管理
 */
@Slf4j
@RestController
@RequestMapping("/setmeal")
public class SetmealController {

    @Autowired
    private SetmealService setmealService;
    @Autowired
    private SetmealDishService setmealDishService;
    @Autowired
    private CategoryService categoryService;

    /**
     * 新增套餐
     */
    @PostMapping
    @CacheEvict(cacheNames = "setmealList",allEntries = true)//清除setmealList名称下,所有的缓存数据
    public R<String> save(@RequestBody SetmealDto setmealDto) {
        setmealService.saveWithDish(setmealDto);
        return R.success("添加成功");
    }

    /**
     * 套餐分页查询
     */
    @GetMapping("/page")
    public R<Page<SetmealDto>> page(Integer page, Integer pageSize, String name) {

        //构造分页对象
        Page<Setmeal> pageInfo1 = new Page<>(page, pageSize);
        //添加查询条件
        QueryWrapper<Setmeal> queryWrapper = new QueryWrapper<>();
        queryWrapper.like(name != null, "name", name);
        //添加排序条件
        queryWrapper.orderByDesc("update_time");
        //查询
        setmealService.page(pageInfo1, queryWrapper);

        //对象拷贝
        Page<SetmealDto> pageInfo2 = new Page<>(page, pageSize);
        //拷贝基本信息
        BeanUtils.copyProperties(pageInfo1, pageInfo2, "records");
        //拷贝 records 中的 list集合
        List<SetmealDto> setmealDtoList = new ArrayList<>();
        for (Setmeal setmeal : pageInfo1.getRecords()) {
            SetmealDto setmealDto = new SetmealDto();
            //对象拷贝
            BeanUtils.copyProperties(setmeal, setmealDto);
            //根据分类id查询分类对象
            Category category = categoryService.getById(setmeal.getCategoryId());
            //设置分类名称
            setmealDto.setCategoryName(category.getName());
            //添加到集合中
            setmealDtoList.add(setmealDto);
        }

        log.info(setmealDtoList.toString());
        pageInfo2.setRecords(setmealDtoList);

        return R.success(pageInfo2);
    }

    /**
     * 批量删除套餐
     */
    @DeleteMapping
    @CacheEvict(cacheNames = "setmealList",allEntries = true)//清除setmealList名称下,所有的缓存数据
    public R<String> deleteByIds(Long[] ids) {
        setmealService.removewithDish(Arrays.asList(ids));
        return R.success("删除成功");
    }

    /**
     * 根据条件查询套餐数据
     */
    @GetMapping("/list")
    @Cacheable(cacheNames = "setmealList",key = "#setmeal.categoryId+'_'+#setmeal.status",unless ="#result.data.size()==0")
    public R<List<Setmeal>> list(Setmeal setmeal) {
        //添加条件
        QueryWrapper<Setmeal> queryWrapper = new QueryWrapper<>();
        queryWrapper.eq("category_id", setmeal.getCategoryId());
        queryWrapper.eq("status", setmeal.getStatus());
        queryWrapper.orderByDesc("update_time");
        //根据条件存入集合
        List<Setmeal> setmealList = setmealService.list(queryWrapper);
        return R.success(setmealList);
    }

}
